Paragomphus matroka, the dark hooktail, is known from three specimens: one caught in the wild, one found on the internet, and one unearthed in a museum archive.

Rhinogobius mengyangensis, a new species of goby previously thought to be the “yellow type” of R. szechuanensis.

Mus dumbara, a new species of spiny mouse and micro-endemic from the Dumbara Mountains of central Sri Lanka.

Odorrana nagao, a new species of odorous frog from karst forest in Vietnam.

Thecacera sesama, a new nudibranch species discovered off the coast of Taiwan, measuring less than 3 mm (0.1 in) long — about the size of a single sesame seed.

Alafanahydesmus lavasoa, a new millipede species from vanishing forest fragments in Madagascar.